;; the assembler label that points to the beginning of the code for
;; this block, or NIL when we haven't assigned a label yet
(%label nil)
+ ;; the assembler label that points to the trampoline for this block,
+ ;; or NIL if unassigned yet. Only meaningful for local call targets.
+ (%trampoline-label nil)
+ ;; T if the preceding block assumes it can drop thru to %label
+ (dropped-thru-to nil)
;; list of LOCATION-INFO structures describing all the interesting
;; (to the debugger) locations in this block
(locations nil :type list))
;; a function type specifier representing the arguments and results
;; of this function
(type 'function :type (or list (member function)))
- ;; xref information for the XEP
- (xref nil :type (or null simple-vector)))
+ ;; docstring and/or xref information for the XEP
+ (info nil :type (or null simple-vector string (cons string simple-vector))))
;;; An IR2-PHYSENV is used to annotate non-LET LAMBDAs with their
;;; passing locations. It is stored in the PHYSENV-INFO.
;; conditional that yields its result as a control transfer. The
;; emit function takes two info arguments: the target label and a
;; boolean flag indicating whether to negate the sense of the test.
+ ;;
+ ;; If RESULT-TYPES is a cons whose car is :CONDITIONAL, then this is
+ ;; a flag-setting VOP. The rest is a list of condition descriptors to
+ ;; be interpreted by the BRANCH-IF VOP (see $ARCH/pred.lisp).
(arg-types nil :type list)
- (result-types nil :type (or list (member :conditional)))
+ (result-types nil :type (or list (member :conditional) (cons (eql :conditional))))
;; the primitive type restriction applied to each extra argument or
;; result following the fixed operands. If NIL, no extra
;; args/results are allowed. Otherwise, either * or a (:OR ...) list
;; the number of trailing arguments to VOP or %PRIMITIVE that we
;; bundle into a list and pass into the emit function. This provides
;; a way to pass uninterpreted stuff directly to the code generator.
- (info-arg-count 0 :type index)
- ;; a function that emits the VOPs for this template. Arguments:
- ;; 1] Node for source context.
- ;; 2] IR2-BLOCK that we place the VOP in.
- ;; 3] This structure.
- ;; 4] Head of argument TN-REF list.
- ;; 5] Head of result TN-REF list.
- ;; 6] If INFO-ARG-COUNT is non-zero, then a list of the magic
- ;; arguments.
- ;;
- ;; Two values are returned: the first and last VOP emitted. This vop
- ;; sequence must be linked into the VOP Next/Prev chain for the
- ;; block. At least one VOP is always emitted.
- (emit-function (missing-arg) :type function))
+ (info-arg-count 0 :type index))
(defprinter (template)
name
arg-types
;; counts as one, and all the more args/results together count as 1.
(num-args 0 :type index)
(num-results 0 :type index)
- ;; a vector of the temporaries the vop needs. See EMIT-GENERIC-VOP
+ ;; a vector of the temporaries the vop needs. See EMIT-VOP
;; in vmdef for information on how the temps are encoded.
(temps nil :type (or null (specializable-vector (unsigned-byte 16))))
;; the order all the refs for this vop should be put in. Each
;; :SAVE-ONCE
;; A TN used for saving a :NORMAL TN across function calls. The
;; lifetime information slots are unitialized: get the original
- ;; TN our of the SAVE-TN slot and use it for conflicts. SAVE-ONCE
+ ;; TN out of the SAVE-TN slot and use it for conflicts. SAVE-ONCE
;; is like :SAVE, except that it is only save once at the single
;; writer of the original TN.
;;
;;; The GLOBAL-CONFLICTS structure represents the conflicts for global
;;; TNs. Each global TN has a list of these structures, one for each
-;;; block that it is live in. In addition to repsenting the result of
+;;; block that it is live in. In addition to representing the result of
;;; lifetime analysis, the global conflicts structure is used during
;;; lifetime analysis to represent the set of TNs live at the start of
;;; the IR2 block.
projects / sbcl.git / blobdiff